function gup( name ){
    name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");  
    var regexS = "[\\?&]"+name+"=([^&#]*)";  
    var regex = new RegExp( regexS );  
    var results = regex.exec( window.location.href ); 
    
    if( results == null )
        return "";  
    else
        return results[1];
}
